Home / 8,140,069.42-12,148,282.48-7,810,493.38

Finding the Fourth Proportional to 8,140,069.42, 12,148,282.48 and 7,810,493.38

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Solution

The fourth proportional to 8,140,069.42, 12,148,282.48 and 7,810,493.38 is: 11,656,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,069.42 : 12,148,282.48 = 7,810,493.38 : x
  2. Step 2: Convert to fraction form
    8,140,069.42/12,148,282.48 = 7,810,493.38/x
  3. Step 3: Cross multiply
    8,140,069.42x = 12,148,282.48 × 7,810,493.38
  4. Step 4: Simplify right side
    8,140,069.42x = 94,884,079,888,409.98
  5. Step 5: Solve for x
    x = 94,884,079,888,409.98/8,140,069.42
  6. Step 6: Final answer
    x = 11,656,421.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.